knockupn.[竞赛]暖身练习knockv.敲击；互撞；攻击n.敲；敲门；敲打knock the inkbottle over把墨水瓶碰翻了knock-down-drag-outadj.【美】激烈的knock the stuffing out of打掉； 驳倒knock some heads togethervt.责备某些人；让某些人做他们改做的事knock someone's block off西部knock someone's socks offknocked into the table.撞到了桌子knock one's hindrance outknockdown-and-dragoutadj.<美俚>激烈的； 狂暴的n.猛烈的战斗knock back type condenser反冲式冷凝器

knock homeadj.敲牢(彻底打击；钉到头)